diff --git a/Code/IO/otbImageFileReader.txx b/Code/IO/otbImageFileReader.txx
index 753c15e482859f923eb926336a62ae8a488a4e12..2e4e32e7bc05eb32571c538306b7aa672f550119 100644
--- a/Code/IO/otbImageFileReader.txx
+++ b/Code/IO/otbImageFileReader.txx
@@ -479,7 +479,7 @@ ImageFileReader<TOutputImage, ConvertPixelTraits>
     itk::ExposeMetaData(dict, MetaDataKey::ProjectionRefKey, projRef);
 
     // Compute spacing for an identity geotransform at current resolution
-    unsigned int resolution;
+    unsigned int resolution = 0;
     itk::ExposeMetaData<unsigned int>(dict,
                                       MetaDataKey::ResolutionFactor,
                                       resolution);